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Women With Cardiogenic Shock Derive Greater Benefit From Early Mechanical Circulatory Support: An Update From the cVAD Registry

Women With Cardiogenic Shock Derive Greater Benefit From Early Mechanical Circulatory Support: An... Objectives The aim of this analysis was to assess survival differences between men and women supported with Impella 2.5 (Abiomed Inc., Danvers) in the setting of acute myocardial infarction (AMI) complicated by cardiogenic shock (CS). Background Data on sex differences in outcomes of CS with mechanical circulatory support are sparse. Methods Patients enrolled in the cVAD Registry who underwent percutaneous coronary intervention (PCI) and Impella 2.5 support for CS complicating an AMI were included. Differences between men and women were examined. Results In total, 180 patients were analyzed. Women (n = 49, 27.2%) were older (71.0 ± 12.8 years vs 63.8 ± 13.0, P = 0.001), smaller (BSA 1.82 ± 0.22 vs 2.04 ± 0.24 m2, P < 0.001), and had a higher STS mortality risk score than men (27.9 ± 17.0 vs. 20.8 ± 16.8 P = 0.01). There was no difference in survival to discharge (P = 0.3). Patients receiving the Impella 2.5 pre‐PCI had significantly lower inpatient mortality than those who received support post‐PCI (P = 0.003). However, the magnitude of the survival benefit was significantly greater in women who received the Impella pre‐PCI as compared to men. Overall, 68.8% of women survived with pre‐PCI Impella 2.5 versus 24.2% post‐PCI (P = 0.005) whereas 54.2% of men survived with pre‐PCI Impella 2.5 versus 40.3% post‐PCI (P = 0.1, p‐interaction = 0.07). No differences in timing to intervention were found between men and women. Conclusions Early initiation of hemodynamic support prior to PCI with Impella 2.5, in the setting of AMI complicated by CS, was associated with a greater survival benefit to hospital discharge in women compared to men, despite a higher predicted risk of mortality and a greater revascularization failure rate for women. (J Interven Cardiol 2016;29:248–256) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Interventional Cardiology Wiley

Women With Cardiogenic Shock Derive Greater Benefit From Early Mechanical Circulatory Support: An Update From the cVAD Registry

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References (21)

Publisher
Wiley
Copyright
© 2016 Wiley Periodicals, Inc.
ISSN
0896-4327
eISSN
1540-8183
DOI
10.1111/joic.12298
pmid
27229327
Publisher site
See Article on Publisher Site

Abstract

Objectives The aim of this analysis was to assess survival differences between men and women supported with Impella 2.5 (Abiomed Inc., Danvers) in the setting of acute myocardial infarction (AMI) complicated by cardiogenic shock (CS). Background Data on sex differences in outcomes of CS with mechanical circulatory support are sparse. Methods Patients enrolled in the cVAD Registry who underwent percutaneous coronary intervention (PCI) and Impella 2.5 support for CS complicating an AMI were included. Differences between men and women were examined. Results In total, 180 patients were analyzed. Women (n = 49, 27.2%) were older (71.0 ± 12.8 years vs 63.8 ± 13.0, P = 0.001), smaller (BSA 1.82 ± 0.22 vs 2.04 ± 0.24 m2, P < 0.001), and had a higher STS mortality risk score than men (27.9 ± 17.0 vs. 20.8 ± 16.8 P = 0.01). There was no difference in survival to discharge (P = 0.3). Patients receiving the Impella 2.5 pre‐PCI had significantly lower inpatient mortality than those who received support post‐PCI (P = 0.003). However, the magnitude of the survival benefit was significantly greater in women who received the Impella pre‐PCI as compared to men. Overall, 68.8% of women survived with pre‐PCI Impella 2.5 versus 24.2% post‐PCI (P = 0.005) whereas 54.2% of men survived with pre‐PCI Impella 2.5 versus 40.3% post‐PCI (P = 0.1, p‐interaction = 0.07). No differences in timing to intervention were found between men and women. Conclusions Early initiation of hemodynamic support prior to PCI with Impella 2.5, in the setting of AMI complicated by CS, was associated with a greater survival benefit to hospital discharge in women compared to men, despite a higher predicted risk of mortality and a greater revascularization failure rate for women. (J Interven Cardiol 2016;29:248–256)

Journal

Journal of Interventional Cardiology – Wiley

Published: Jun 1, 2016

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